42420904707 has 6 divisors (see below), whose sum is σ = 56561681932. Its totient is φ = 28280365312.

The previous prime is 42420904697. The next prime is 42420904709. The reversal of 42420904707 is 70740902424.

It is not a de Polignac number, because 42420904707 - 2⁸ = 42420904451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42420904709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297283 + ... + 416195.

Almost surely, 2^42420904707 is an apocalyptic number.

42420904707 is a deficient number, since it is larger than the sum of its proper divisors (14140777225).

42420904707 is an frugal number, since it uses more digits than its factorization.

42420904707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237829 (or 118916 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 42420904707 in words is "forty-two billion, four hundred twenty million, nine hundred four thousand, seven hundred seven".